Ice cream freezer



3 Sheets-sheet l Filed sept. e, .1954

35. A. G. HETZER ICE CREAM FREEZER Filed sept. e, 1954 piril 23,

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3 s-neet-sheet 2 tomey A. G. HETZER l ICE CREAM FREEZER Fiied sept. 6, 1954 5 sheets-Sheet 3 Patented Apr. 23, 17935 UNITED vSTA'I'ES PATENT Y OFFICE j f `,1,998,811 j ICE CREAM FREEZER y I Albert o. Heizer, Busan. Y. Application September'v 6, Y1934, Serial No. 743,014 -v 3 Claims. (Cl. 220,57) Y This invention relates to anv ice cream freezer and has for its object the provision of such a freezer which may be used for freezing desserts in an electrical refrigerator or the like.

Y Further, in accordance with the presentinvention, a freezer'of the character above mentionedis provided with improved means .for stirringthe contents of the freezer without'necesitatingremovalof the freezer from the freezing chamber'of the electric refrigerator.

The invention, together with its objects and advantages will be best understood from a study of the following description taken in `connection with the accompanying drawings wherein:

Figure l is a side elevational view of the freezer.

Figure 2 is a longitudinal sectional view therethrough.

Figure 3 is a transverse sectional View through the freezer. l

Figure 4 is a fragmentary detail elevational view showing a latch recess provided in a wall of the freezer.

Figure 5 is an end elevational view of the freezer.

Figure 6 is a fragmentary detail view showing Vthe bearing for the pintle on one end of the stirrer or agitator.

Figure 7 is a bottom plan view of the cover for the freezer.

Figure 8 is a fragmentary detail sectional view through the freezer and cover showing the manner of releasably securing the cover to the freezer.

Figure 9 is a view somewhat similar to Figure 6 showing a bearing and a stub shaft having a head journaled in the bearing.

Figure 10 is a perspective view of the stub shaft forming the coupling between the stirrer and the handle therefor.

Referring to the drawings by reference numerals, it will be seen that the freezer comprises a relatively shallow tray or pan I that is substantially cylindrical in cross section and is provided on its bottom with integral longitudinally extending supporting legs 2 whereby the tray may be set down on a flat support or surface without danger of rotating towards one or the other side thereof. In its top the pan or tray I is provided with an elongated opening 3 surrounded by an upstanding flange 4 integral with the wall of the pan or tray. At the upper edge thereof the flange 4 is rolled to provide a bead 5. y

For the top of the tray or pan I there is provided, in the present instance, a transversely curvedcover 6 the'edges of which are rolled as at 6a to provide grooves having sliding contact with the bead 5 as shown 'in'Figure' 3.

Adjacer'itY each end thereof, the cover 6 is provided on its underside with pairs of opposed if brackets 'I spaced transversely ofthe covery and arranged Vto extend inwardly withinthe connes ofthe flange 4 as shown in FigureS. The brackets i are formed of lmetal or other suitable material and'at their` innerl ends are integral with a longitudinally curved orv bowed spring, fixed latch member 8, therebeing one latch member B associated with each pair of brackets I.

' Sli'dably engaged with the latch members Bare longitudinally curved spring latch members 9 which operate between opposed, members of the brackets 'I and which are held in sliding contact with the members 8 through the medium of inturned extensions III provided on the side members of the brackets 1 as shown in Figure 3. For manipulating the spring latch members 9 the same are provided with knob equipped pins II that operate in transverse slots I2 provided in the top 6. Y

For receiving the free ends of the spring latch members 9 the box or tray Iy at one side thereof, andat the junction of the peripheral wall of the tray with the ange 4 is provided with hollow formations forming pockets I2 opening inwardly of the container through the flange 4 in a manner to receive the free ends of the spring latch members 8 as clearly shown in Figure 8.

To receive the free ends of the spring latch members 9 the tray I is provided on the opposite Y side thereof in a similar manner to provide sockets I3 into which one end of the latch members 9 are proJected, subsequent to an engagement of the latch members 8 with the sockets I2, by shifting the pins I I to the position shown in Figure 8, thereby'securely retaining the cover in place.

On one end wall thereof, the tray or pan I is provided internally with a bearing I4 adapted to4 receive the pintle I5 on one end of an agitator or stirrer indicated generally by the reference numeral I6. Y

On the other end wall thereof the tray or container I as best shown in Figure 2 is provided internally with a bearing I1 and with which is alined a boxing I8 extending from the outer side of the end wall of the tray and substantially concealed by a reinforcing substantially conical structure I9. The boxing I8 is provided with a suitable gland 20.

A stub shaft 2| extends through the boxing I8 and gland 20 and on its inner end is provided with a circular or disk-like head 2 la that is journaled in the bearing I1, and is provided with a slot 22 to receive an oblong diagonal pintle Ma provided at a second end of the stirrer or agitator I6. On its outer end, the stub shaft 2| is squared as at 24 to facilitate connection therewith of a handle for rotating the stirrer I6.

The stirrer I6 comprises a pair of end members I6a to which the pintles I4 and I 4a are secured. End members I6a are connected by agitator blades 25 that are transversely curved and which are connected in any suitable manner to the reversely curved end portions of the members 16a of the stirrer.

At the ends thereof, the members IBa of the stirrer are notched to accommodate wipingblades 26 that are also transversely curved and which are secured to the members la of the stirrer as at 21. The leading edges of the blades 26 have wiping engagement with the peripheral wall of the container I and serve to wipe the fluid con tents of the container from the walls thereof and to direct such contents inwardly towards the center of the stirrer to be agitated by `the blades 25 thereof.

What is claimed is: Y Y M 1. In a device of the character described, a tray member having sides provided with sockets opening inwardly thereof, a cover for the tray having on the inner side thereof fixed transverseV members having ends extending outwardly beyond one edge of the cover to engage in sockets in one side of the tray, latch members slidably engaged with said fixed members and adapted to be projected beyond the opposite edge of the cover to engage sockets in the side of the tray opposite to the first named sockets, and finger pieces connected with the latch members for projecting and retracting them.

2. In a device of the character described, a tray having opposed sides each of which is provided with spaced sockets, a cover for said tray, fixed members 4on the inner side of the cover having ends to engage thesockets in one side of the tray, other members slidably engaged with the first named members and having ends adapted to be projected into engagement with the sockets at the opposite sidev of the tray, and finger pieces secured to the slidable members and projecting through slots in said cover.

3. In a device of the character described, a tray having opposed sides each of which is provided with spaced sockets, a cover for said tray, xed members on the inner side of the cover having ends to-engage the sockets-in one side of the tray other members slidably engaged with the first named members and having ends adapted to be projected into engagement with the sockets at the opposite sideof the tray, and finger pieces secured to the slidable members and projecting .through slots in said cover, spaced strap members securing said fixed members to the cover in spaced relation thereto, and between which said slidable members operate, and means on said strap members overlying the fixed members and between which and said Xed member said slidable members are constrained to reciprocate.

y ALBERT G. HETZER. 

